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fixes in imgui gl2 interaction with renderers

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This commit is contained in:
milek7
2021-01-22 02:36:49 +01:00
parent 8ec29babf9
commit 839b2116df
4 changed files with 21 additions and 3 deletions
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8
application.cpp
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@@ -782,6 +782,10 @@ eu07_application::init_glfw() {
glfwWindowHint( GLFW_CONTEXT_VERSION_MINOR, 3 );
}
else {
#ifdef EU07_USEIMGUIIMPLOPENGL2
ErrorLog("gles not supported in imgui gl2 build");
return -1;
#endif
#ifdef GLFW_CONTEXT_CREATION_API
if (m_glfwversion >= 30200)
glfwWindowHint( GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API );
@@ -791,6 +795,10 @@ eu07_application::init_glfw() {
glfwWindowHint( GLFW_CONTEXT_VERSION_MINOR, 0 );
}
} else {
if (Global.gfx_usegles) {
ErrorLog("legacy renderer not supported in gles mode");
return -1;
}
Global.gfx_shadergamma = false;
glfwWindowHint( GLFW_OPENGL_PROFILE, GLFW_OPENGL_ANY_PROFILE );
glfwWindowHint( GLFW_CONTEXT_VERSION_MINOR, 0 );

2
imgui/imgui_impl_opengl2.cpp
View File

@@ -124,8 +124,6 @@ void ImGui_ImplOpenGL2_RenderDrawData(ImDrawData* draw_data)
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data;
const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data;
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, col)));

11
opengl33renderer.cpp
View File

@@ -670,8 +670,13 @@ void opengl33_renderer::Render_pass(viewport_config &vp, rendermode const Mode)
gl::framebuffer::unbind();
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (vp.main)
if (vp.main) {
// clear state for ui
gl::vao::unbind();
gl::buffer::unbind();
gl::program::unbind();
Application.render_ui();
}
break;
}
@@ -938,6 +943,10 @@ void opengl33_renderer::Render_pass(viewport_config &vp, rendermode const Mode)
Timer::subsystem.gfx_gui.start();
if (vp.main) {
// clear state for ui
gl::vao::unbind();
gl::buffer::unbind();
gl::program::unbind();
draw_debug_ui();
Application.render_ui();
}

3
openglrenderer.cpp
View File

@@ -339,6 +339,9 @@ opengl_renderer::Render() {
setup_units( true, false, false );
::glPushClientAttrib( GL_CLIENT_VERTEX_ARRAY_BIT );
::glClientActiveTexture( GL_TEXTURE0 + m_diffusetextureunit );
// clear state for ui
::glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
::glBindBuffer( GL_ARRAY_BUFFER, 0 );
Application.render_ui();
::glPopClientAttrib();